A standard piano has 88 keys. There are 52 white keys and 36 black keys. What is the ratio of white keys to black keys?

A. 9 to 22

B. 13 to 22

C. 18 to 26

D. 13 to 9

Respuesta :

52:36.
26: 18.
13: 9 is your answer. Hope it helps! :)